JP4110414B2 - 情報再生装置及び情報記録再生装置 - Google Patents
情報再生装置及び情報記録再生装置 Download PDFInfo
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- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
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- Management Or Editing Of Information On Record Carriers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
Claims (6)
- 情報記録媒体の記録領域からの情報再生を行うことができる情報再生手段と、
情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からのデータ情報の読出しを行うことができるデータ情報読出し手段と、
固有の個別キーデータ情報及びマスターキーデータ情報が格納される情報保存メモリ手段と、
上記情報再生手段による情報記録媒体の記録領域からの主情報の再生に制限を課す情報再生制限状態を選択的に設定する動作制御手段と、
を備えて成り、
上記動作制御手段が、情報再生用とされた情報記録媒体が装着されるとともに上記情報再生制限状態が設定されたもとで、上記データ情報読出し手段から上記装着された情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からのデータ情報が得られ、該得られたデータ情報に含まれる認識用キーデータ情報の内容と上記情報保存メモリ手段に格納された個別キーデータ情報の内容とが一致するとき、上記情報再生手段が上記装着された情報記録媒体の記録領域からの主情報の再生を行い得る状態となし、さらに、上記データ情報読出し手段から上記装着された情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からのデータ情報が得られないときには、上記情報再生手段から得られる、上記装着された情報記録媒体の記録領域から再生されたマスターキーデータ情報の内容と、上記情報保存メモリ手段に格納されたマスターキーデータ情報の内容とが一致するとき、上記情報再生手段が上記装着された情報記録媒体の記録領域からの主情報の再生を行い得る状態となすものとされる情報再生装置。 - 上記動作制御手段が、情報記録媒体が装着されるとともに上記情報再生制限状態が設定されたもとで、上記データ情報読出し手段から上記装着された情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からのデータ情報が得られ、該得られたデータ情報に含まれる固有識別データ情報の内容と上記情報再生手段から得られる上記装着された情報記録媒体の記録領域から再生された固有識別データ情報の内容とが一致しないときには、上記情報再生手段から得られる、上記装着された情報記録媒体の記録領域から再生されたマスターキーデータ情報の内容と、上記情報保存メモリ手段に格納されたマスターキーデータ情報の内容とが一致するとき、上記情報再生手段が上記装着された情報記録媒体の記録領域からの主情報の再生を行い得る状態となすことを特徴とする請求項1記載の情報再生装置。
- 上記動作制御手段が、上記情報保存メモリ手段に上記個別キーデータ情報及びマスターキーデータ情報を格納する動作状態をとることを特徴とする請求項1または2記載の情報再生装置。
- 情報記録媒体の記録領域への情報記録及び情報記録媒体の記録領域からの情報再生を行うことができる記録再生手段と、
情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段へのデータ情報の書込み及び該メモリ手段からのデータ情報の読出しを行うことができる書込み読出し手段と、
固有の個別キーデータ情報及びマスターキーデータ情報が格納される情報保存メモリ手段と、
上記書込み読出し手段に、情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からの固有識別データ情報の読出しを行わせる動作状態,上記書込み読出し手段に、上記情報保存メモリ手段に格納された個別キーデータ情報と同じ内容を有した認識用キーデータ情報の情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段への書込みを行わせる動作状態、及び、上記記録再生手段による情報記録媒体の記録領域からの主情報の再生に制限を課す情報再生制限状態を設定する動作制御手段と、
を備えて成り、
上記動作制御手段が、情報再生用とされた情報記録媒体が装着されるとともに上記情報再生制限状態が設定されたもとで、上記書込み読出し手段から上記装着された情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からのデータ情報が得られ、該得られたデータ情報に含まれる認識用キーデータ情報の内容と上記情報保存メモリ手段に格納された個別キーデータ情報の内容とが一致するとき、上記記録再生手段が上記装着された情報記録媒体の記録領域からの主情報の再生を行い得る状態となし、さらに、上記書込み読出し手段から上記装着された情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からのデータ情報が得られないときには、上記記録再生手段から得られる、上記装着された情報記録媒体の記録領域から再生されたマスターキーデータ情報の内容と、上記情報保存メモリ手段に格納されたマスターキーデータ情報の内容とが一致するとき、上記記録再生手段が上記装着された情報記録媒体の記録領域からの主情報の再生を行い得る状態となすものとされる情報記録再生装置。 - 上記動作制御手段が、上記記録再生手段に、上記書込み読出し手段から得られたデータ情報に含まれる固有識別データ情報の上記情報記録媒体の記録領域への記録を行わせる動作状態、及び、上記記録再生手段に上記情報保存メモリ手段に格納されたマスターキーデータ情報の上記情報記録媒体の記録領域への記録を行わせる動作状態をも設定するものとされ、情報記録媒体が装着されるとともに上記情報再生制限状態が設定されたもとで、上記書込み読出し手段から上記装着された情報記録媒体もしくは該情報記録媒体を内蔵したケースに固着されたメモリ手段からのデータ情報が得られ、該得られたデータ情報に含まれる固有識別データ情報の内容と上記記録再生手段から得られる上記装着された情報記録媒体の記録領域から再生された固有識別データ情報の内容とが一致しないときには、上記記録再生手段から得られる、上記装着された情報記録媒体の記録領域から再生されたマスターキーデータ情報の内容と、上記情報保存メモリ手段に格納されたマスターキーデータ情報の内容とが一致するとき、上記記録再生手段が上記装着された情報記録媒体の記録領域からの主情報の再生を行い得る状態となすことを特徴とする請求項4記載の情報記録再生装置。
- 上記動作制御手段が、上記情報保存メモリ手段に上記個別キーデータ情報及びマスターキーデータ情報を格納する動作状態をとることを特徴とする請求項4または5記載の情報記録再生装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004351561A JP4110414B2 (ja) | 2004-12-03 | 2004-12-03 | 情報再生装置及び情報記録再生装置 |
EP05257293A EP1667143A3 (en) | 2004-12-03 | 2005-11-28 | Information reproducing apparatus and information recording/reproducing apparatus |
US11/291,620 US7385775B2 (en) | 2004-12-03 | 2005-12-01 | Information reproducing apparatus and information recording/reproducing apparatus |
KR1020050116795A KR101083881B1 (ko) | 2004-12-03 | 2005-12-02 | 정보 재생 장치 및 정보 기록 재생 장치 |
CN2005101297707A CN1815611B (zh) | 2004-12-03 | 2005-12-05 | 信息再现装置和信息记录/再现装置 |
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JP2004351561A JP4110414B2 (ja) | 2004-12-03 | 2004-12-03 | 情報再生装置及び情報記録再生装置 |
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JP2006164353A JP2006164353A (ja) | 2006-06-22 |
JP4110414B2 true JP4110414B2 (ja) | 2008-07-02 |
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JP2004351561A Expired - Fee Related JP4110414B2 (ja) | 2004-12-03 | 2004-12-03 | 情報再生装置及び情報記録再生装置 |
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US (1) | US7385775B2 (ja) |
EP (1) | EP1667143A3 (ja) |
JP (1) | JP4110414B2 (ja) |
KR (1) | KR101083881B1 (ja) |
CN (1) | CN1815611B (ja) |
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JP4142696B2 (ja) | 2006-06-14 | 2008-09-03 | トヨタ自動車株式会社 | 内燃機関のスロットルバルブ加熱制御装置 |
US7844756B2 (en) * | 2007-01-22 | 2010-11-30 | International Business Machines Corporation | Selection of data mover for data transfer |
JP2010539632A (ja) * | 2007-09-11 | 2010-12-16 | プレザヴェーション・テクノロジーズ・リミテッド・パートナーシップ | 磁気テープメディアを処理する装置及び方法 |
JP2011170945A (ja) * | 2010-02-22 | 2011-09-01 | Fujifilm Corp | 記録テープカートリッジ |
JP2014056625A (ja) * | 2012-09-11 | 2014-03-27 | Toshiba Corp | メディア処理方法及びカセット |
JP6441482B2 (ja) * | 2015-07-29 | 2018-12-19 | パイオニア株式会社 | 情報記録方法、再生装置及び方法、記録装置及び方法、コンピュータプログラム並びに記録媒体 |
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-
2004
- 2004-12-03 JP JP2004351561A patent/JP4110414B2/ja not_active Expired - Fee Related
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2005
- 2005-11-28 EP EP05257293A patent/EP1667143A3/en not_active Withdrawn
- 2005-12-01 US US11/291,620 patent/US7385775B2/en not_active Expired - Fee Related
- 2005-12-02 KR KR1020050116795A patent/KR101083881B1/ko not_active IP Right Cessation
- 2005-12-05 CN CN2005101297707A patent/CN1815611B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2006164353A (ja) | 2006-06-22 |
KR101083881B1 (ko) | 2011-11-15 |
CN1815611B (zh) | 2012-01-25 |
US7385775B2 (en) | 2008-06-10 |
US20060158766A1 (en) | 2006-07-20 |
EP1667143A2 (en) | 2006-06-07 |
CN1815611A (zh) | 2006-08-09 |
EP1667143A3 (en) | 2009-12-23 |
KR20060063692A (ko) | 2006-06-12 |
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